
let mapleader=","

set cul "高亮光标所在行
set cuc "高亮光标所在列
" 显示行号
set number
set relativenumber
set cursorline
set autoindent
set showcmd
set ttyfast "should make scrolling faster
set ignorecase
set smartcase
set tabstop=2
set shiftwidth=2
set softtabstop=2
set inccommand=split

"设置tags
set tags=./tags,tags;$HOME

set autochdir

" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup



" Better display for messages
set cmdheight=2

" don't give |ins-completion-menu| messages.
set shortmess+=c

"据说是加快反应速度
" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=300


" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
if has("nvim-0.5.0") || has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

" TAB 键自动补全
" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Make <CR> auto-select the first completion item and notify coc.nvim to
" format on enter, <cr> could be remapped by other vim plugin
inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"


" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  elseif (coc#rpc#ready())
    call CocActionAsync('doHover')
  else
    execute '!' . &keywordprg . " " . expand('<cword>')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder.
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Remap <C-f> and <C-b> for scroll float windows/popups.
if has('nvim-0.4.0') || has('patch-8.2.0750')
  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of language server.
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocAction('format')

" Add `:Fold` command to fold current buffer.
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer.
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

" Add (Neo)Vim's native statusline support.
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline.
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings for CoCList
" Show all diagnostics.
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>


nmap tt :CocCommand explorer<CR>


" Compile function
noremap <Leader>r :call CompileRunGcc()<CR>
func! CompileRunGcc()
	exec "w"
	if &filetype == 'c'
		exec "!g++ % -o %<"
		exec "!time ./%<"
	elseif &filetype == 'cpp'
		set splitbelow
		exec "!g++ -std=c++11 % -Wall -o %<"
		:sp
		:res -15
		:term ./%<
	elseif &filetype == 'java'
		set splitbelow
		:sp
		:res -5
		term javac % && time java %<
	elseif &filetype == 'sh'
		:!time bash %
	elseif &filetype == 'python'
		set splitbelow
		:sp
		:term python3 %
	elseif &filetype == 'html'
		silent! exec "!".g:mkdp_browser." % &"
	elseif &filetype == 'markdown'
		exec "InstantMarkdownPreview"
	elseif &filetype == 'tex'
		silent! exec "VimtexStop"
		silent! exec "VimtexCompile"
	elseif &filetype == 'dart'
		exec "CocCommand flutter.run -d ".g:flutter_default_device." ".g:flutter_run_args
		silent! exec "CocCommand flutter.dev.openDevLog"
	elseif &filetype == 'javascript'
		set splitbelow
		:sp
		:term export DEBUG="INFO,ERROR,WARNING"; node --trace-warnings .
	elseif &filetype == 'go'
		set splitbelow
		:sp
		:term go run .
	endif
endfunc


" ===
" === coc.nvim
" ===
let g:coc_global_extensions = [
	\ 'coc-css',
	\ 'coc-diagnostic',
	\ 'coc-docker',
	\ 'coc-eslint',
	\ 'coc-explorer',
	\ 'coc-flutter-tools',
	\ 'coc-gitignore',
	\ 'coc-html',
	\ 'coc-import-cost',
	\ 'coc-jest',
	\ 'coc-json',
	\ 'coc-lists',
	\ 'coc-prettier',
	\ 'coc-prisma',
	\ 'coc-pyright',
	\ 'coc-python',
	\ 'coc-snippets',
	\ 'coc-sourcekit',
	\ 'coc-stylelint',
	\ 'coc-syntax',
	\ 'coc-tailwindcss',
	\ 'coc-tasks',
	\ 'coc-translator',
	\ 'coc-tslint-plugin',
	\ 'coc-tsserver',
	\ 'coc-vetur',
	\ 'coc-vimlsp',
	\ 'coc-yaml',
	\ 'coc-yank',
	\ 'https://github.com/rodrigore/coc-tailwind-intellisense']


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""新文件标题
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"新建.c,.h,.sh,.java文件，自动插入文件头
autocmd BufNewFile *.cpp,*.[ch],*.sh,*.rb,*.java,*.py exec ":call SetTitle()"
""定义函数SetTitle，自动插入文件头
func SetTitle()
	"如果文件类型为.sh文件
	if &filetype == 'sh'
		call setline(1,"\#!/bin/bash")
		call append(line("."), "")
    elseif &filetype == 'python'
        call setline(1,"#!/usr/bin/env python")
        call append(line("."),"# coding=utf-8")
	    call append(line(".")+1, "")

    elseif &filetype == 'ruby'
        call setline(1,"#!/usr/bin/env ruby")
        call append(line("."),"# encoding: utf-8")
	    call append(line(".")+1, "")

"    elseif &filetype == 'mkd'
"        call setline(1,"<head><meta charset=\"UTF-8\"></head>")
	else
		call setline(1, "/*************************************************************************")
		call append(line("."), "	> File Name: ".expand("%"))
		call append(line(".")+1, "	> Author: dimsky")
		call append(line(".")+2, "	> Mail: dimsky@163.com")
		call append(line(".")+3, "	> Created Time: ".strftime("%c"))
		call append(line(".")+4, " ************************************************************************/")
		call append(line(".")+5, "")
	endif
	if expand("%:e") == 'cpp'
		call append(line(".")+6, "#include<iostream>")
		call append(line(".")+7, "using namespace std;")
		call append(line(".")+8, "")
	endif
	if &filetype == 'c'
		call append(line(".")+6, "#include<stdio.h>")
		call append(line(".")+7, "")
	endif
	if expand("%:e") == 'h'
		call append(line(".")+6, "#ifndef _".toupper(expand("%:r"))."_H")
		call append(line(".")+7, "#define _".toupper(expand("%:r"))."_H")
		call append(line(".")+8, "#endif")
	endif
	if &filetype == 'java'
		call append(line(".")+6,"public class ".expand("%:r"))
		call append(line(".")+7,"")
	endif
	"新建文件后，自动定位到文件末尾
endfunc
autocmd BufNewFile * normal G


" 插件
" Plug start------------------------------------------------------

" Specify a directory for plugins
" - For Neovim: stdpath('data') . '/plugged'
" - Avoid using standard Vim directory names like 'plugin'
call plug#begin('~/.config/nvim/plugged')

" Use release branch (recommend)
Plug 'neoclide/coc.nvim', {'branch': 'release'}

" 自动补全括号
Plug 'jiangmiao/auto-pairs'

" Initialize plugin system
call plug#end()

" Plug end------------------------------------------------------


